Sahih al-Bukhari 6441
صحيح البخاري#6441SahihNarrated Hakim bin Hizam:I asked the Prophet (for some money) and he gave me, and then again I asked him and he gave me, and then again I asked him and he gave me and he then said, "This wealth is (like) green and sweet (fruit), and whoever takes it without greed, Allah will bless it for him, but whoever takes it with greed, Allah will not bless it for him, and he will be like the one who eats but is never satisfied. And the upper (giving) hand is better than the lower (taking) hand
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 81:30